Roofs are constantly left exposed to the elements. All roofs need constant maintenance that can be taken care of by the owner or a professional roofer. Here are some tools homeowners can use to ensure any roof is maintained properly. Utility knives can be used to trim shingles and also to expose nail heads. Invest in a circular saw, a roofing hammer, roofing nails, a roofing nail gun, and a pry bar. These items will help you finalize regular repair projects tasks. asphalt roofing contractors West Columbia SC